Home / 164,211.90-246,427.20-75,419.70

Finding the Fourth Proportional to 164,211.90, 246,427.20 and 75,419.70

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Solution

The fourth proportional to 164,211.90, 246,427.20 and 75,419.70 is: 113,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,211.90 : 246,427.20 = 75,419.70 : x
  2. Step 2: Convert to fraction form
    164,211.90/246,427.20 = 75,419.70/x
  3. Step 3: Cross multiply
    164,211.90x = 246,427.20 × 75,419.70
  4. Step 4: Simplify right side
    164,211.90x = 18,585,465,495.84
  5. Step 5: Solve for x
    x = 18,585,465,495.84/164,211.90
  6. Step 6: Final answer
    x = 113,179.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.